73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/*
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This file is part of Wi-viz (http://wiviz.natetrue.com).
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Wi-viz is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License v2 as published by
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the Free Software Foundation.
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Wi-viz is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Wi-viz; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include "wl_access.h"
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int wl_ioctl(char *name, int cmd, void *buf, int len)
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{
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struct ifreq ifr;
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wl_ioctl_t ioc;
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int ret = 0;
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int s;
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/* open socket to kernel */
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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perror("socket");
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return errno;
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}
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/* do it */
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ioc.cmd = cmd;
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ioc.buf = buf;
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ioc.len = len;
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strncpy(ifr.ifr_name, name, IFNAMSIZ);
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ifr.ifr_data = (caddr_t) &ioc;
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ret = ioctl(s, SIOCDEVPRIVATE, &ifr);
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/* cleanup */
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close(s);
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return ret;
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}
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int get_mac(char *name, void *buf)
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{
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struct ifreq ifr;
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int ret = 0;
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int s;
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/* open socket to kernel */
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if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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perror("socket");
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return errno;
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}
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strncpy(ifr.ifr_name, name, IFNAMSIZ);
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//ifr.ifr_data = (caddr_t) buf;
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if ((ret = ioctl(s, SIOCGIFHWADDR, &ifr)) < 0)
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perror(ifr.ifr_name);
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/* cleanup */
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close(s);
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memcpy(buf, &ifr.ifr_hwaddr.sa_data, 6);
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return ret;
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}
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